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Colour

#145B8D

  • #145B8D
  • Blue
  • Dark
  • Nearest: Steel blue

#145B8D is a blue with RGB values 20, 91, 141 and HSL 205°, 75%, 32%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#145B8D#145B8D
HEX#145B8D
RGBrgb(20, 91, 141)
RGB (0–1)0.0784, 0.3569, 0.5529
RGB percentages7.8%, 35.7%, 55.3%
HSLhsl(204.8, 75.2%, 31.6%)
HSV / HSBhsv(204.8, 85.8%, 55.3%)
CMYK85.8%, 35.5%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,334,157
CSS custom property--colour: #145B8D;

Brightness & contrast

Relative luminance0.09554WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.21:1
Contrast with white7.21:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#EBA472

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#435D8Fno red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#32528Cno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#00676Dno blue cones; rare, and affects men and women equally; ΔE 30.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.21:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Steel blue · ΔE 15.6Slate grey · ΔE 27.9Light slate grey · ΔE 29.3Dark slateblue · ΔE 30Cornflower blue · ΔE 31.6Dark slate grey · ΔE 31.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D4614
Analogous#148D83, #141E8D
Triadic#8D145B, #5B8D14
Split complementary#8D141E, #8D8314
Tetradic#83148D, #8D4614, #1E8D14

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#80C0ED
Lighter +30%#53AAE7
Lighter +20%#2794E0
Lighter +10%#1A78BA
Darker −10%#0E3E60
Darker −20%#072134
Darker −30%#010507
Darker −40%#000000
More saturated +25%#005EA1
Less saturated −25%#285879

Channel breakdown

R20
G91
B141
Red20 (7.8%)
Green91 (35.7%)
Blue141 (55.3%)
Hue204.79°
Saturation (HSL)75.16%
Lightness31.57%
Dominant channelBlue
Hex per channelR 14 · G 5B · B 8D

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Every value on this page was computed from “145b8d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.